For the `Datastore -> Summary` overview for all configured datastores.
Fix is adapted from the PVE's ceph's status details or performance
runningCharts, which are both similar (but not really the same)
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
[ T: expand commit message to note that this is adapted from PVE ]
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
heavily inspired by pveRunningChart, without the dynamically adding
of data and specific for the usage of datastores
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
